El Thu, May 27, 2004 at 07:12:55PM +0100, Nigel Duckworth escribio:
> Could someone point me in the right direction please...
>
> I wish to convert a Hex number from an AnsiString ("6F" for example) to it's
> ASCII character ("o" in this case) for appending to another AnsiString.
>
> i.e. "48 65 6C 6C 6F" becomes "Hello"
>
> I can split the first string and append to the second no problem, it's the
> conversion in the middle I'm stuck on. I thought StrToInt(); might be the
> way to go but it throws an exception on the non-numeric text. It seems
> logical to me to keep it Ansi rather than convert to a char, atoi(); it then
> convert back again or is that the only way? Googling has provided just about
> every conversion but the one I need and Borlands help... isn't any! :) I'm
> using Builder 6 but perhaps this is done in Delphi?

Borland's StrToInt() doesn't work because you have an HEX number, not
decimal. There isn't any VCL function to do that, you can:

 * Use [standard C] strtol function, passing 16 as the base;
 * Write some simple function to do the conversion.

    Daniel.

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